{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The surface electrocardiogram of the atrial contraction",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "256f12cd-5a4a-5782-a6ac-72f2abdf3a2d",
  "ancestors" : {
    "109041" : 0
  },
  "id" : "1b5fd6ef-a12a-4364-9fca-e0afeccda6b8",
  "code" : "109041",
  "display" : "P wave",
  "version" : "01"
}